The Legion discovers that the Fatal Five were behind the belligerence of Talok VIII, while the Fatal Five head to Earth and its Universal Weapons Control Panel. But the Fatal Five discover they need a third key held at Legion Headquarters to operate the weapon. By the time they get there it is being defended by the returned Legionnaires. The Legionnaires fight the Fatal Five long enough for the U.P. Forces to come to their rescue and force the Five to flee.